Home / 130,365.18-179,913.96-73,785.06

Finding the Fourth Proportional to 130,365.18, 179,913.96 and 73,785.06

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Solution

The fourth proportional to 130,365.18, 179,913.96 and 73,785.06 is: 101,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,365.18 : 179,913.96 = 73,785.06 : x
  2. Step 2: Convert to fraction form
    130,365.18/179,913.96 = 73,785.06/x
  3. Step 3: Cross multiply
    130,365.18x = 179,913.96 × 73,785.06
  4. Step 4: Simplify right side
    130,365.18x = 13,274,962,333.44
  5. Step 5: Solve for x
    x = 13,274,962,333.44/130,365.18
  6. Step 6: Final answer
    x = 101,829.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.